<template>
  <div class="view-account">
    <div class="view-account-header"></div>
    <div class="view-account-container">
      <div class="view-account-top">
        <div class="view-account-top-logo">
          <img src="~@/assets/images/account-logo.png" alt="" />
        </div>
        <div class="view-account-top-desc">赋能新式课程设计</div>
      </div>
      <div class="view-account-form">
        <n-form ref="formRef" label-placement="left" size="large" :model="formInline" :rules="rules">
          <n-form-item path="username">
            <n-input v-model:value="formInline.username" placeholder="请输入用户名">
              <template #prefix>
                <n-icon size="18" color="#808695">
                  <PersonOutline />
                </n-icon>
              </template>
            </n-input>
          </n-form-item>
          <n-form-item path="password">
            <n-input v-model:value="formInline.password" type="password" showPasswordOn="click" placeholder="请输入密码">
              <template #prefix>
                <n-icon size="18" color="#808695">
                  <LockClosedOutline />
                </n-icon>
              </template>
            </n-input>
          </n-form-item>
          <n-form-item path="captcha">
            <n-input v-model:value="formInline.captcha" showPasswordOn="click" placeholder="请输入验证码">
              <template #prefix>
                <n-icon size="18" color="#808695">
                  <Barcode />
                </n-icon>
              </template>
            </n-input>
            <img :src="captchaImgUrl" alt="captchaImg" style="width:100px;" @click="changeCode">
          </n-form-item>
          <n-form-item path="type">
            <n-select v-model:value="formInline.type" showPasswordOn="click" placeholder="请选择身份" :options="[{
              value: 'student', label: () => {
                return h(
                  NSpace, {}, [h(NIcon, {
                    component: UserTag, size: 18 ,color:'#808695'
                  }), '学生']
                )
              }
            }, {
              value: 'teacher', label: () => {
                return h(
                  NSpace, {}, [h(NIcon, {
                    component: UserTag, size: 18 ,color:'#808695'
                  }), '教师']
                )
              }
            }]">
            </n-select>
          </n-form-item>

          <n-form-item class="default-color">
            <div class="flex justify-between">
              <div class="flex-initial">
                <n-checkbox v-model:checked="autoLogin">自动登录</n-checkbox>
              </div>
            </div>
          </n-form-item>
          <n-form-item>
            <n-button type="primary" @click="handleSubmit" size="large" :loading="loading" block>
              登录
            </n-button>
          </n-form-item>
        </n-form>
      </div>
    </div>
  </div>
</template>

<script lang="ts" setup>
import { reactive, ref, h } from 'vue';
import { useRoute, useRouter } from 'vue-router';
import { useUserStore } from '@/store/modules/user';
import { useMessage, NIcon, NSpace } from 'naive-ui';
import { ResultEnum } from '@/enums/httpEnum';
import { PersonOutline, LockClosedOutline, Barcode } from '@vicons/ionicons5';
import { UserTag } from '@vicons/fa';
import { PageEnum } from '@/enums/pageEnum';
import { useProjectSettingStore } from '@/store/modules/projectSetting';

interface FormState {
  username: string;
  password: string;
  captcha: string;
  type: string;
}

const formRef = ref();
const message = useMessage();
const loading = ref(false);
const autoLogin = ref(true);
const captchaImgUrl = ref(("/api/login/getCaptchaCode?t=" + new Date().getTime()));
const LOGIN_NAME = PageEnum.BASE_LOGIN_NAME;


const formInline = reactive({
  username: '2020004',
  password: '123456',
  type: 'teacher',
  isCaptcha: true,
  captcha: '',
});

const rules = {
  username: { required: true, message: '请输入用户名', trigger: 'blur' },
  password: { required: true, message: '请输入密码', trigger: 'blur' },
  captcha: { required: true, message: '请输入验证码', trigger: 'blur' },
};

const userStore = useUserStore();

const router = useRouter();
const route = useRoute();

const changeCode = () => {
  captchaImgUrl.value = ("/api/login/getCaptchaCode?t=" + new Date().getTime());
}

const handleSubmit = (e) => {
  e.preventDefault();
  formRef.value.validate(async (errors) => {
    if (!errors) {
      const { username, password, captcha, type } = formInline;
      message.loading('登录中...');
      loading.value = true;

      const params: FormState = {
        username,
        password,
        captcha,
        type,
      };
      try {
        const { code, result: res, message: msg } = await userStore.login(params);
        message.destroyAll();
        if (code == ResultEnum.SUCCESS) {
          const toPath = decodeURIComponent((route.query?.redirect || '/') as string);
          message.success('登录成功！');
          const settingStore = useProjectSettingStore();
          if (route.name === LOGIN_NAME) {
            if (res.desc == 'manager') {
              settingStore.navMode = 'vertical';
              settingStore.multiTabsSetting.show = true;
              router.replace('/');
            }
            else if (res.desc == 'teacher')
              router.replace('/teacher');
            else
              router.replace('/student');
          } else router.replace(toPath);
        } else {
          message.info(msg || '登录失败');
          changeCode();
        }
      } finally {
        loading.value = false;
      }
    } else {
      message.error('请填写完整信息，并且进行验证码校验');
    }
  });
};
</script>

<style lang="less" scoped>
.view-account {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: auto;

  &-container {
    flex: 1;
    padding: 32px 12px;
    max-width: 384px;
    min-width: 320px;
    margin: 0 auto;
  }

  &-top {
    padding: 32px 0;
    text-align: center;

    &-desc {
      font-size: 14px;
      color: #808695;
    }
  }

  &-other {
    width: 100%;
  }

  .default-color {
    color: #515a6e;

    .ant-checkbox-wrapper {
      color: #515a6e;
    }
  }
}

@media (min-width: 768px) {
  .view-account {
    background-image: url('../../assets/images/login.svg');
    background-repeat: no-repeat;
    background-position: 50%;
    background-size: 100%;
  }

  .page-account-container {
    padding: 32px 0 24px 0;
  }
}
</style>
